<template>
    <div class="header-container">
        <div class="header-left flex-box">
            <el-icon class="icon" size="20" @click="store.commit('coolapseMenu')">
                <Fold />
            </el-icon>
            <ul class="flex-box">
                <li 
                v-for="(item,index) in selectMenu" 
                :key="item.path"
                :class="{selected:route.path === item.path}"
                class="tab flex-box">
                <el-icon size="12"><component :is="item.icon" /></el-icon>
                <router-link class="text flex-box" :to="{path:item.path}">
                    {{ item.name }}
                </router-link>
                <el-icon class="close" size="12" @click="closeTab(item,index)"><Close /></el-icon>
                </li>
            </ul>
        </div>
        <div class="header-right ">
            <el-dropdown @command="handleClick">
                <div class="el-dropdown-link flex-box">
                    <el-avatar
                        :src="userInfo.avatar"
                    />
                    <p class="user-name">{{userInfo.name}}</p>
                </div>
                <template #dropdown>
                        <el-dropdown-item command="cancel">退出登录</el-dropdown-item>
                </template>
            </el-dropdown>
        </div>
    </div>
</template>
<script setup>
import {computed} from 'vue'
import {useStore} from 'vuex'
import { useRoute,useRouter} from 'vue-router'

const store = useStore()
//当前的路由对象
const route = useRoute()
const router=useRouter()
const selectMenu = computed(()=>store.state.menu.selectMenu)

const userInfo = JSON.parse(localStorage.getItem('pz_userInfo'))

//点击关闭tab
const closeTab = (item,index)=>{
    store.commit('closeMune',item)
    if(route.path!==item.path){
        return
    }
    const selectMenuData = selectMenu.value
    if(index === selectMenuData.length){
        if(!selectMenuData.length){
            router.push('/')
        }
        else{
            router.push({
                path:selectMenuData[index-1].path
            })
        }
    }
    else{
        router.push({
            path:selectMenuData[index].path
        })
    }
}
const handleClick = (command)=>{
    if(command === "cancel"){
        localStorage.removeItem('pz_token')
        localStorage.removeItem('pz_userInfo')
        localStorage.removeItem('pz_v3pz')
        window.location.href = window.location.origin   
    }
}
</script>
<style lang="less" scoped>
.flex-box {
    display: flex;
    align-items: center;
    height: 100%;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    background-color: #fff;
    padding-right: 25px;

    .header-left {
        height: 100%;

        .icon {
            width: 45px;
            height: 100%;
        }

        .icon:hover {
            background-color: #f5f5f5;

        }
        .tab{
            padding: 0 10px;
            height: 100%;
            .text{
                margin: 0 5px;
            }
            .close{
                visibility: hidden;
            }
            &.selected{
                a{
                    color: #409eff;
                }
                i{
                    color: #409eff;
                }
                background-color: #f5f5f5;
            }
        }
        .tab:hover{
            background-color: #f5f5f5;
            .close{
                visibility: inherit;
                cursor: pointer;
                color: #333;
            }
        }
    }
    .header-right{
        .user-name{
            margin-left: 10px;
        }
    }
    a{
        height: 100%;
        color: #333;
        font-size: 15px;
    }
}
</style>